The activity diagram in Figure 2 illustrates the sequence in which the use cases are executed.
图2中的活动图演示了那些用例的执行顺序。
But instructions are no use unless they can be executed, and executed in an appropriate way.
指令只有在能执行(且正确地执行)的时候才有意义。
Two convicted murderers were executed in Japan, in the first use of the death penalty in the country in a year.
日本两名谋杀犯被执行死刑,这是今年来日本首例死刑判决。